| HHD | high heparin dose; home dialysis; hypertensive heart disease |
|---|---|
| HID | headache, insomnia, depression [syndrome]; herniated intervertebral disc; human infectious dose; hyp... |
| HIMP | high-dose intravenous methylprednisolone |
| HNTD | highest nontoxic dose |
| Ht | dose equivalent to individual tissues |